{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["manufacturing standard", "process characterization", "concept or principle", "machine or equipment", "process parameter", "machanical property"], "input": "Many products are made from metals because of the needs for strength and accuracy ."}
{"manufacturing standard": [], "process characterization": ["accuracy"], "concept or principle": [], "machine or equipment": [], "process parameter": [], "machanical property": ["strength"]}